ms mixed crowd holding hands up in the air in slow motion. black background - 舉手 個影片檔及 b 捲影像00:36黑色的背景
business people, meeting and question with presentation screen for statistics or review in office. back view, group or employee with hands raised, graph or chart for performance or team feedback - 舉手 個影片檔及 b 捲影像00:14
a young girl raises her hand in class and gives the correct answer to a question. - 舉手 個影片檔及 b 捲影像00:07美國
businesswoman asking questions during business speech conference in business meeting room in office - 舉手 個影片檔及 b 捲影像00:22辦公室
boy and girl of various ethnicities attending an elementary school wearing casual attire. raising a hand in response to a teacher question. learning in class is amusing.elementary internatinal school concept.raising your hand to respond to teacher. - 舉手 個影片檔及 b 捲影像00:15學生
group of people listening to a presentation. one person has their hand raised asking or answering a question. - 舉手 個影片檔及 b 捲影像00:15
animation video of group of people with hands up and waving with palms up. volunteering, social justice, charity, donation, education, business training concept. the video is 4k resolution. - 舉手 個影片檔及 b 捲影像00:20
an enthusiastic teacher polls her class in reference to a chart on the smart board. - 舉手 個影片檔及 b 捲影像00:06學生
hands up, education and people with questions, students and scholarship with opportunity, knowledge and learning. group, men and women with gesture, answers and university for business management - 舉手 個影片檔及 b 捲影像00:05學生
ms students (8-11) listening to teacher raising hands to ask questions in elementary school classroom / university place, washington, usa - 舉手 個影片檔及 b 捲影像00:14
slo mo rear view of carefree young woman raising arms while standing in wheat field on sunny day - 舉手 個影片檔及 b 捲影像00:24女人, 日落
a young business woman raising her hand during a group meeting in a modern office. a businesswoman asking a question at a conference with her team - 舉手 個影片檔及 b 捲影像00:13辦公室
student raising her hand to ask a question to the teacher at the library during a study session - 舉手 個影片檔及 b 捲影像00:21學生
teacher, students and hands up for question in school classroom or reading book, english or learning. woman, educator, children and studying lesson with knowledge answer or discussion, group or test - 舉手 個影片檔及 b 捲影像00:08
business presenter interacting with the audience at a conference in the board room - 舉手 個影片檔及 b 捲影像00:14
slo mo. young woman riding in convertible holds hand in the air as she passes under a bridge and back into sunlight. - 舉手 個影片檔及 b 捲影像00:26女人
school classroom with students sitting on their seats and paying attention to the teacher teaching lesson - 舉手 個影片檔及 b 捲影像00:17學生
multiracial sixth form students sitting at desks and engaging with class discussion - 舉手 個影片檔及 b 捲影像00:18學生